Sea turtles act as living records of ocean change, with shells capturing decades of data to help researchers protect endangered species.

This article was originally featured on The Conversation. Wander through your backyard or walk along a stream and it’s likely you’ll see a snail – small, squishy animals with shells on their backs.

Wander through your backyard or walk along a stream and it’s likely you’ll see a snail – small, squishy animals with shells on their backs. Snails are found in water, whether in salty oceans, rivers ...